Firearms

Benelli M4 H2O 12 ga 18.5-inch

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Specifications

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Aftermarket Ecosystem

Historically Significant Examples

Serial Number Data

Production data from factory records and collector research. Year ranges are approximate for pre-1968 firearms.

Years	Serial Range	Count	Factory	Country	Confidence

Corrosion-resistant M4 with titanium cerakote finish. Military and maritime LE use.

Type: Shotgun

Action: Semi-Automatic

Caliber: 12 Gauge

Capacity: 7

Year introduced: 2007, Italy

Weight: 71.5 oz

Overall length: 40"

Status: Active

Military use: Yes

Intended use: Military, Law Enforcement, Maritime